Ammonium Thiosulfate Solution from Japan
Ammonium thiosulfate ((NH4)2S2O3) in aqueous solution is widely used as a fertilizer additive providing sulfur and nitrogen to crops and in leaching processes for gold extraction. It is classified under HTS 2832.30.5000 as an ammonium thiosulfate, fitting 'other' thiosulfates per Chapter 28 notes on salts.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide concentration analysis to distinguish from other ammonium salts; use DOT-approved containers for liquid transport; check agricultural import permits if destined for fertilizer use